Coener-staying machine



.flami. 1, 1924 134793038 W. FUHR CORNER STAYING MACHINE 'Filed Aug. 18, 1.922 ?Sheecs-Sheet 1 W. FUHR .CORNER STAYING MACHIKE File d Aug; 18, 1922 2 Sheets-Sheea 2 INVENT(QRP WITNESSES WILLIIJI RUHE, l CI:IICAGO, ILLINOIS.

CORNER-STAYING mncznnn( i.pplication file i August 18, Serial N0. 582,620.

w/wm mag am. aema- T, YIELLIAT\E l e, fand a resident :llding blanks 03"? paper,mrdboard, er like znaterial, ino box f0rm anal applying tlie corner staying tape a0 all c0rners simub -tamously.

The main' object 01 this invention is t0 -provide a machine which willtake a cut and c1ez'1sed blank deliver a box with all corners stayed, th1s Wltll greacer 'speed,

greater elfi :iency, und with ths elimination of all. danger to the operator.

A fmther object 0f ehe 1nvention ls t0 eliminaie the difliculty in handling the CO1- ner stayin; material by the usa of dry tape and the appl1cahon Qf he glu t0 the blank mseacl of the usnal 1necl1ocl of applymg moistenecl gummed tape t0 the blank.

The novel 1'21t111890f the maclnine am the means for delivering the staying tape t0 tne all cufer, applying the t-ape t0 corners simultaneously with equal pressure, holdinlg the form-block moionless in positionwhile the corner stays are appliecl, regulating thezunount 0f pressu;e tobe appl1eal 011 the CO1- nc-r siays, 1neans 'f01' z'vpplymg the glue 0n tlas blanks f0r the cOrn0r stays, and means fo1 clischafging the finishecl box.

In the accompanying drawin'gs Fig. 1 is a sicle elevational view of the nmchino With the 1" 321r Wall removed,

Fig. 2 is a plan view 0f the machine with the bobbin, o1 forma-block carrier, removecl,

Fig. 3 i's an enlawecl plan view of. ehe intermittentge2us,

Fig. 4 is an anlargecl sectional view of the stay-tage cutt-ing ancl applying 1neans,

lig. 5 is a plan view 01 Fig. 4 with a corner of a b0x in position,

6 is enlarged elevational view 015 a form-block,

Fig. 7 is an enlarged plan view of the stay-tape feedin'g means,

Fig. 8 is an enlarged plan view of th e means for folcling tl1 stay-tape J-shape,

Fig. 9 is a plan view of a cut, creasecl, und glued blank, and

Fig. 10 is a perspective view 0f a completed box.

32, and eccentric cam 33,

mountecl Raferring now more specifically t0 the fiunwings, the moving parts ol the machine zar-e supported by a r1g1al frzune cons1smng of N 1 l. 1 1)8.Idill up11gln Walls 21 and 22, hor1zontzu feecl-table 23, anal endpmce 24, F1gs. 1 ancl Upon be i0rwardmost portion of the 1'eacl-table a stank 01" cuund creasecl blan s 25 are p1led fx01n wh1ch pos1t1on they am fea one by one 1n50 the maclnne. Journalled 1n i h@ Walls 2L anal 22 are transverse shafts 26 und 27 carrymg, respectwely, a rigully mountecl feed roll 28 und a.- loosely mountecl rubber counter roll 29, saicl counter roll. being driven by friction contact with the feed roll; A ,32111 of oscillating fingers 30 2ue 1nounted unclerneath the feed table with 47heir en :ls protruding ihrough the same,

Figs. 1 und 2. Theblanks are delivered by band f1om the Stack 25 't0 the fingers 30 'Whl0ll force them into enga,ging contact with the fe-ed tolls, which in turn deliver them t0 the folcling die," hereinafter (lescribecl. The blank being operated up0n iS clesignatecl as 25 and 25", respectively, Fig. The clistance between the feed rolls and fingers 30, when the later are advanced, is slightly less than the size of the blank which canses the blank tobuckle up and bear against the saicl feecl 10lls, assuring an instantaneous engafgement when the feed rolls are set in motion (Fig. l) it being unclerstood tha,t the feed ro1ls are motionless during the 3f'0ldingi und corner sta'ying operations. These fingers 30 receive motion from the shaft 27 by means 015 a rock lever 31, connecting rod Fig. 1.

Motiom is transmitteclto this blank feed ing meclmnism, as follows: Rotat-ably in the encl piece 24 is the drive shaft 34 ancl bobbin shaft 35, Fig. 1. The d1ive shaft is preferably motor driven by means o1" worm 36and wenn gear 37, and transmits rotary 1notion to the bobbin shaft intermittentls? (one-half revolution a1; a tim) by means of the intermittent gears 38 and 39, Figs. 1 und 3. The shaft 27 supp0rting the coun'ter roll 29 is geared 130 the seid 100t11. Duii1ig 1111e downward move- 1nent 01 tl1e bobbin tl1e 211'111 114- engages tl1e to0tl1 113 bringing tl1e ferne block t0 a stop '1lle tlie bangen 1i8 eentinues its eocvn1mr evel, 2igeinst tne ection ef springs 115 211 ranged ovefpins 110, 1 and 0.

Having described 21 Difli'il f01n1 01 the nn .el1ine and i;s 1110de 013 opemtion, 1 clain1 es 1ny invention 1. A corner saying 1nael1ine eonaprising blmck f01'111i11g membe1rs, 1neans f0i feeding bl -SS t0 seid 'l301'111i11g 1ne1nberS, nieans i0r abplying gl11e t0 l1.e corners 0f tbe blank in ll1e 1nnve1nent tl1e1*eof toward seid forming ii'ieiiibeis, und 1neans f01 applying tape over 11id cm-ners while seid blank is 0n seid ilto1'1iii1ig me1nber.

11 ce1rne1. staying 1necl1ine eomprising blanks t0 seid forming members, means 00- acting with said feeding 1neans E01 applying glue the corner edges 01 seid blanks, und means f01 applying non-adbesive tape 10 the glued portions 0f seid blanks subsequent t0 tl1e for1ning operation.

3. A. 00111e1 staying nmcl1ine eomprising blank forming members, means f01 iieeding blanke successively to seid forming members, 1neans coacting with seid feeding 1neans f01 nppl 111g glue t0 predetemnined portions 01E lbe blanks Cl111111g tl1e ieeding operaion, and c01nprising glue pz1dg and means' for supply- 111g glue t0 seid pads, und means 101 feeding lz1pe 10 seid forming 1necl1anism and applying it 10 tl1e glued corners 0f Ehe blanks in folded "f01111.

1. A 00111e1 staying 1nachine comprising iixed und movable lforming dies adapted to 1'01111 a blank i11110 bez; f01111, 1neens f01 feed- 111g b1vnks suceessively to seid forming dies, means 'f01 applying adbesive to tl1e corne1 edges 01 blanks in tl1e passage 013 tl1e sa1ne 10 seid 'f01111i11g dies, tz1pe feeding and applying mechanis1n mounted adj aeent tl1e 001 11e :s 0:f seid folding die, und comprising Vslmped rolls f01' ini.1iel1y e1easing seid 1:1pe.

A cerner staying 1naehine co1nprising lixed und mevable f01111i11g dies adapted 130 101'111 21 blank into box f01'111, blank feeding 111eel1anis1n, adhesive applying meclmnism coaeting wiel1 seid feeding mechanism 130 epply tl1e adl1esive tl1e corne1 edges of tl1e blzn1ks prio1 t0 rliei1? delivery t0 the forming dies, and 1neans E01 feeding non-adhesive ttepe 110 seid dies und applying the sun1e t0 l'l1e corners 01": tl1e folded blanks.

0. A. eorner staying 1nael1ine comprising iixed and movable blank forming members, 111ez1115 f01 feeding blanks successively.to seid forming 1ne1nbers, glue applying 1ne1nbers in tne patl1 01 seid blanks, and comprising rolls provided Witli glue pads edapted to register Wih predetermined portions 015 the blanks, and means i'or feeding 111d zapplying ta pe to tl1e eorners oft seid 111111;s in 'folded 1'01'11'1.

T. A seiner staying .n1ael1ine comprising f0l11111"' ne1noers, blank feeding 1neel1anism, :1d11 agplying mechanisn1 eoaeting Witl1 s1iiu feeding mechanisxn, and comprising rotative glue rolls provided Willi pads eon :0i11iing in slmpe to tl1e portions of tbe blanks 10 be glued, und nieans 101' eutting; und engplying strips 01" nenadhesive tape 10 all eorners of t11e blanks in folded I"01111 wicl1in seid fe1ining members.

8. A corner stayinp; 1nacl1ine c :1priSing 51 fixed forming die, (1 vertieally nmvable 11'01'111i11g block, blank feeding 111eel12111is111, ;lue applying rolle coeeting with seid feed 11g i'neelizznisln ior applying .glne t0 tl1e 00111e1 edges of seid blanks during tl1eir advancement t0 seid forming die, seid rells being provided witb pads confor1ning to tl1e corne1 nmrgins 01 tl1e blanks, und 1neans f01 feeding nonadhesive tape 130 tbe corners of said blanks in folded ferne.

9. A. c01ne1 staying n1acl1ine comprising 21 stationary forlning die, an intermittently rotative bobbin snaft, 21 plurality of forn1 ing blocks mounted 011 seid bobbin shaft 2md adapted t0 successively engage said forming die, meuns 1*01 feeding blanks suecessively t0 seid forming die, means for applying strips 01 tape t0 the corners 01 seid blanke in folded forn1, and means f01' automatieally removing the finished blanks froni said f01'1ning blocks.

10. A corner staying machine comprising a stationary forming die, an intermittently rotative bobbin shaft, a plurality 01 forming blocks mounted 011 said bobbin sbaft, and adapted 110 successively engage said forming die, means for feeding blanks successively t0 seid forming die, glue applying members associated with seid blank feeding means, 1neans f01 feeding tape adjacent filme corners 0f said forming die, und .1neans f01 applying strips 0f seid tape 10 tl1e eorners 0f s2iid blanks simultaneously.

11. A corner staying maehine comprising 21 stationary forming die, a bobbin shaft pro- Vided with radial :111ns forming blocks lnounted 011 seid arms, 1neans f0r imparting intermitting rotative und endwise movement t0 seid sl1aft, whereby said blocks are brought successively into die engaging position, means f0r feeding blanke successively into seid die, means for applying strips simultaneously 10 the corners 0'f said blanks in folded f01111, seid blocks acting 130 remove be stayed blank fro1n seid die int0 discharging position, and having 21 relatively movzv ble men1ber adapted to be tripped t0 auto- 1natically discharge the blanks tberefrom.

12. A corner staying macl1ine eomprising a fixed forming die, a bobbin shaft, provided with radial arms, 111eans for imparting intermittent rota1bive and endwise movement 130 said bobbin shaft, forming blocks mounted 011 said arm and adapted t0 successively en gage the forming die, and removing a i0uned blank therefroin, and 1neans f01 discharging the blank fromm one 0f said blocks during the travel 0E another block into die engaging position.

13. A corner staying Inaehin comprising a fixed forming die, a bobbin shafc provided with radial a11ns, i0nning blocks monnced ab the ende of said arms, and adapted t0 be successively brought into 1egistering relation with said fornning die in ehe rotation 0f said sl1aft, means f01 imparting endwise movement t0 said shaft Whereby each block successively forme and removes a blank i'rom saiddie into discharging position, a fixed member mounted in tl1e path ofsaid blocks in discharging position, said blocks being provided With a coacting member whereby the blank is automatically discharged from the blocks during the die engaging stroke 0f said shaft. 5

14L. In a machine of the character described, tl1e combination 0f a fixed die, a bobbin shaft provided witl1 radial arme forming blocks mounted 0n said arms, means f01 in1parting intermittent rotative and endwise movement to said shaft, whereby said blocks are brought successively into engagement with said die, said blocks comprising a relatively movable n1e1nber adapted t0 force a blank from said block, and a fixed member mounted in tl1e path 0f endwise movement 0f said blocks in blank discharging position f01 automatically' actuating Said relatively 1novable member thereof t0 discharge the blanks therefrom.

In witness Wl1e1eof, I l1ereunto subscribe my name this 14th day 0f August, A. D.,

WILLIAM 'FUHR. 

